• Noun

    a collar or enclosing band.
    the enclosing rim within which a jewel is set.
    a slotted cylindrical clamp inserted tightly into the tapered interior of a sleeve or chuck on a lathe to hold a cylindrical piece of work.
    Horology . the tiny collar that supports the inner terminal of a hairspring.

    Verb (used with object)

    to set (a gem or other stone) in a collet.

    tác giả


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